On average women can hear better than men.
170
Half of all Americans over the age of 55 have no teeth.
39
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Two in five people in the world marry their first love.
270
You can only remember 4 things at a time.
31